Both teams enter the upcoming series at Great American Ball Park with near-.500 records (Cardinals 61-61, Reds 59-62) and sit well back in the NL Central standings, creating a low-stakes divisional matchup with limited playoff implications. The Reds' rotation faces ongoing strain from multiple injuries, including long-term absences like Hunter Greene's elbow recovery, while the Cardinals show more stability in recent outings. Home-field factors, head-to-head trends from earlier 2026 meetings, and probable pitching alignments—many still TBD for the August 17 doubleheader makeup and follow-up games—shape trader views on narrow edges. Roster health updates and late-August scheduling spots remain key variables that could shift implied probabilities.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedSt. Louis Cardinals – Cincinnati Reds
Moneyline
$0 Vol.
Will there be a run in the first inning?
$0 Vol.
This market will resolve to "St. Louis Cardinals" if the St. Louis Cardinals win the game.
This market will resolve to "Cincinnati Reds" if the Cincinnati Reds win the game.
If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, or ends in a tie, this market will resolve 50-50.
The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.
Market Opened: Aug 13, 2026, 9:00 AM ET
Resolution Source
https://www.mlb.com/Resolver
0x65070BE91...St. Louis Cardinals – Cincinnati Reds
Moneyline
$0 Vol.
Will there be a run in the first inning?
$0 Vol.
This market will resolve to "St. Louis Cardinals" if the St. Louis Cardinals win the game.
This market will resolve to "Cincinnati Reds" if the Cincinnati Reds win the game.
If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, or ends in a tie, this market will resolve 50-50.
The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.
Market Opened: Aug 13, 2026, 9:00 AM ET
Resolution Source
https://www.mlb.com/Resolver
0x65070BE91...Both teams enter the upcoming series at Great American Ball Park with near-.500 records (Cardinals 61-61, Reds 59-62) and sit well back in the NL Central standings, creating a low-stakes divisional matchup with limited playoff implications. The Reds' rotation faces ongoing strain from multiple injuries, including long-term absences like Hunter Greene's elbow recovery, while the Cardinals show more stability in recent outings. Home-field factors, head-to-head trends from earlier 2026 meetings, and probable pitching alignments—many still TBD for the August 17 doubleheader makeup and follow-up games—shape trader views on narrow edges. Roster health updates and late-August scheduling spots remain key variables that could shift implied probabilities.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedBeware of external links.
Beware of external links.
Frequently Asked Questions
Build a combo
Select two options


Beware of external links.
Beware of external links.
Frequently Asked Questions